AMD Athlon II X4 620 vs Intel Core i5-1240U

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CPU comparison with benchmarks


AMD Athlon II X4 620 CPU1 vs CPU2 Intel Core i5-1240U
AMD Athlon II X4 620 Intel Core i5-1240U

CPU comparison

In this CPU comparison, we compare the AMD Athlon II X4 620 and the Intel Core i5-1240U and use benchmarks to check which processor is faster.

We compare the AMD Athlon II X4 620 4 core processor released in Q3/2009 with the Intel Core i5-1240U which has 10 CPU cores and was introduced in Q1/2022.
AMD Athlon II (52) Family Intel Core i5 (331)
AMD Athlon II X4 (Propus) (10) CPU group Intel Core i 1200P/1200U (21)
1 Generation 12
Propus Architecture Alder Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X4 620 is a 4 core processor with a clock frequency of 2.60 GHz. The processor can compute 4 threads at the same time. The Intel Core i5-1240U clocks with 1.10 GHz (4.40 GHz), has 10 CPU cores and can calculate 12 threads in parallel.

AMD Athlon II X4 620 Characteristic Intel Core i5-1240U
4 Cores 10
4 Threads 12
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
2.60 GHz A-Core 1.10 GHz (4.40 GHz)
2x Golden Cove
-- B-Core 0.80 GHz (3.30 GHz)
8x Gracemont

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Athlon II X4 620 Characteristic Intel Core i5-1240U
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU Intel Iris Xe Graphics 80 (Alder Lake)
GPU frequency 0.25 GHz
-- GPU (Turbo) 0.90 GHz
-- GPU Generation 13
Technology 10 nm
Max. displays 4
-- Compute units 80
-- Shader 640
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12.1

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU Intel Iris Xe Graphics 80 (Alder Lake)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 620, while the Intel Core i5-1240U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 83.2 GB/s enabled.

AMD Athlon II X4 620 Characteristic Intel Core i5-1240U
DDR3-1333 Memory LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200
16 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 83.2 GB/s
No ECC No
2.00 MB L2 Cache 6.50 MB
-- L3 Cache 12.00 MB
2.0 PCIe version 4.0
-- PCIe lanes 28
-- PCIe Bandwidth 55.1 GB/s

Thermal Management

The AMD Athlon II X4 620 has a TDP of 95 W. The TDP of the Intel Core i5-1240U is 9 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Athlon II X4 620 Characteristic Intel Core i5-1240U
95 W TDP (PL1 / PBP) 9 W
-- TDP (PL2) 29 W
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The AMD Athlon II X4 620 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Core i5-1240U is at 18.50 MB. The processor is manufactured in 10 nm.

AMD Athlon II X4 620 Characteristic Intel Core i5-1240U
45 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX2
AM3 Socket BGA 1744
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2009 Release date Q1/2022
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Athlon II X4 620 (27%)
Intel Core i5-1240U (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Athlon II X4 620 (23%)
Intel Core i5-1240U (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
334 (27%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 4.40 GHz
1227 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1155 (23%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 2.30 GHz
5021 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1916 (22%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 2.30 GHz
8805 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
337 (100%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 4.40 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1275 (100%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 2.30 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
132 (100%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 4.40 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
505 (100%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 2.30 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Athlon II X4 620 AMD Athlon II X4 620
@ 0.00 GHz
0 (0%)
Intel Core i5-1240U Intel Core i5-1240U
Intel Iris Xe Graphics 80 (Alder Lake) @ 0.90 GHz
1115 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
62 (100%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 4.40 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
238 (100%)
Intel Core i5-1240U Intel Core i5-1240U
10C 12T @ 2.30 GHz
0 (0%)

Devices using this processor

AMD Athlon II X4 620 Intel Core i5-1240U
Unknown Unknown

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